Learn how to use gyroscope calibration on your Samsung Galaxy S4 Active. The Motions and Gestures settings allow you to set up various Motion activation services. For more information on using gestures, see Motions And Gestures.
From the Motions and gestures screen, tap Gyroscope calibration.
Place your device on a flat surface.
Tap Calibrate.
When finished, Calibrated will appear on your screen. Tap Back key to return to the previous screen.